C21H21N3O3 explained

The chemical formula C₂₁H₂₁N₃O₃ represents a compound composed of carbon (C), hydrogen (H), nitrogen (N), and oxygen (O) atoms. The molecular formula C₂₁H₂₁N₃O₃ may refer to:

• Ozenoxacin
• Spirotryprostatin B
• Nauclechine https://pubchem.ncbi.nlm.nih.gov/compound/Nauclechine
• CID 91763610 https://pubchem.ncbi.nlm.nih.gov/compound/91763610
• Cadamine http://www.chemspider.com/Chemical-Structure.16737615.html